|Table of Contents|

Effects of Exogenous Melatonin Treatment on Quality and Reactive Oxygen Species Metabolism in Fresh-Cut Lettuce

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年19
Page:
84-91
Research Field:
Publishing date:

Info

Title:
Effects of Exogenous Melatonin Treatment on Quality and Reactive Oxygen Species Metabolism in Fresh-Cut Lettuce
Author(s):
SHI Cong; LIU Dahao; SHEN Suwan; SUN Ying; HE Yu; LI Ru
(School of Food and Biological Engineering,Xuzhou University of Technology,Xuzhou,Jiangsu 221018)
Keywords:
melatonin; lettuce; fresh-cut; quality; active oxygen metabolism
PACS:
TS 255.3
DOI:
10.11937/bfyy.20225295
Abstract:
Taking fresh-cut lettuce as test material，fresh-cut lettuce were soaked with 50,100 μmol·L-1 and 200 μmol·L-1 melatonin solution for 5 minutes and stored at 4 ℃ for 10 days.The effects of melatonin treatments on quality and reactive oxygen metabolism of fresh-cut lettuce were investigated,in order to provide reference for the theoretical research on the storage and presercation of fresh-cut lettuce.The results showed that 100 μmol·L-1 melatonin treatment effectively delayed the changes of color,firmness，weight loss ratio and cell membrane permeability of fresh-cut lettuce during storage,inhibited the decrease of total phenols.Furthermore，the activities of SOD,POD,CAT and DPPH free radical scavenging activity in fresh-cut lettuce treated with melatonin were increased,O2 generation rate，the malondialdehyde and H2O2 content were decreased.Therefore,melatonin treatment improved the antioxidant capacity to reduce the damage of active oxygen to the fresh-cut lettuce,which further maintained effectively the storage quality of fresh-cut lettuce.

References:

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Last Update: 2023-11-29